Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Please enter one or more characters
Scan Icon
Tips to find your model number
Water filters
Water filter finder tool
DIY help
Featured products
Top brands
View all parts by brand
Top products and services
Products by brand
Orders
Customer Service
Schedule a repair
Lawn-Boy S21ZPR lawn mower

Lawn-Boy S21ZPR lawn mower Parts

Here are the diagrams and repair parts for Lawn-Boy S21ZPR lawn mower, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for S21ZPR Walk-Behind Mowers

  • Toro Retainer for Lawn-Boy S21ZPR - Part 611213

    Engine group diagram

    Retainer

    Part #611213

    Replaced by #611213

    Info Icon
    Manufacturer substitution
    This part replaces 611213. Substitute parts can look different from the original.
    In Stock
    $28.59
    Minus Item
    Qty
    Plus Item
  • Toro Clamp for Lawn-Boy S21ZPR - Part 608161

    Housing and shroud group diagram

    Clamp

    Part #608161

    Replaced by #608161

    Info Icon
    Manufacturer substitution
    This part replaces 608161. Substitute parts can look different from the original.
    In Stock
    $46.00
    Minus Item
    Qty
    Plus Item
  • Toro Spring for Lawn-Boy S21ZPR - Part 611214

    Engine group diagram

    Spring

    Part #611214

    Replaced by #611214

    Info Icon
    Manufacturer substitution
    This part replaces 611214. Substitute parts can look different from the original.
    In Stock
    $41.69
    Minus Item
    Qty
    Plus Item
  • Toro Lawn-boy Case Assembly for Lawn-Boy S21ZPR - Part 93-4301

    Engine group diagram

    Case Assembly

    Part #683819

    Replaced by #93-4301

    Info Icon
    Manufacturer substitution
    This part replaces 683819. Substitute parts can look different from the original.
    In Stock
    $27.93
    Minus Item
    Qty
    Plus Item
  • Toro Flywheel for Lawn-Boy S21ZPR - Part 683580

    Engine group diagram

    Flywheel

    Part #683580

    Replaced by #683580

    Info Icon
    Manufacturer substitution
    This part replaces 683580. Substitute parts can look different from the original.
    In Stock
    $436.06
    Minus Item
    Qty
    Plus Item
  • Toro Liner for Lawn-Boy S21ZPR - Part 677982

    Engine group diagram

    Liner

    Part #677982

    Replaced by #677982

    Info Icon
    Manufacturer substitution
    This part replaces 677982. Substitute parts can look different from the original.
    In Stock
    $119.70
    Minus Item
    Qty
    Plus Item
  • Toro Crankshaft S for Lawn-Boy S21ZPR - Part 609786

    Housing and shroud group diagram

    Crankshaft S

    Part #609786

    Replaced by #609786

    Info Icon
    Manufacturer substitution
    This part replaces 609786. Substitute parts can look different from the original.
    In Stock
    $65.33
    Minus Item
    Qty
    Plus Item
  • Toro Lawn Mower Bolt for Lawn-Boy S21ZPR - Part 603441

    Housing and shroud group diagram

    Bolt

    Part #603441

    Replaced by #603441

    Info Icon
    Manufacturer substitution
    This part replaces 603441. Substitute parts can look different from the original.
    In Stock
    $37.83
    Minus Item
    Qty
    Plus Item
  • Toro Lawn & Garden Equipment Wheel for Lawn-Boy S21ZPR - Part 105-8618

    Housing and shroud group diagram

    Wheel Tire

    Part #684135

    Replaced by #105-8618

    Info Icon
    Manufacturer substitution
    This part replaces 684135. Substitute parts can look different from the original.
    In Stock
    $86.00
    Minus Item
    Qty
    Plus Item
  • Toro Adjustment Bracket for Lawn-Boy S21ZPR - Part 608833-03

    Housing and shroud group diagram

    Adjustment Bracket

    Part #608833

    Replaced by #608833-03

    Info Icon
    Manufacturer substitution
    This part replaces 608833. Substitute parts can look different from the original.
    In Stock
    $98.50
    Minus Item
    Qty
    Plus Item

Most common symptoms to help you fix your walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

View all

Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Read more

Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Read more

Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Read more

Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Read more

Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Read more

Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Read more

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

View all
How to replace a lawn mower front deck tray

How to replace a lawn mower front deck tray

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…

Read more

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Read more

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Read more

Repair time and Difficulty

 45 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

View all
The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

Read more
Is it time to switch to an electric lawn mower?

Is it time to switch to an electric lawn mower?

See a comparison of cordless lawn mowers and gas mowers so you can decide which is best for you.…

Read more
Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

Read more

Parts & More

Dishwasher
GE GSD6660G00SS dishwasher parts
Electric Wall Oven
Maytag MEW6627DDS18 electric wall oven parts
Electric Water Heater
Rheem 81V40 electric water heater parts
Front-Engine Lawn Tractor
Craftsman 917288070 front-engine lawn tractor parts
Garage Door Opener
Chamberlain Garage Door Opener Replacement Parts
Gas Cooktop
Shop GE JGP940KEK2CC gas cooktop parts
Gas Walk-Behind Mower
Craftsman 917376742 gas walk-behind mower parts
Hedge Trimmer
Echo Hedge Trimmer Replacement Parts
Laundry Center
Kenmore 41794702300 laundry center parts
Lcd Television
LG OLED55C7P lcd television parts
Parts
Stand Mixer Spiralizer Attachment Fruit and Vegetable Skewer W11032781Lawn Tractor Blade Drive Belt, 5/8 x 148-5/8-in 196103Refrigerator Compressor Start Relay EBG60663230
Room Air Conditioner
Kenmore Elite Room Air Conditioner Replacement Parts
Side-By-Side Refrigerator
Kenmore 10651102110 side-by-side refrigerator partsKitchenAid KSCS25INSS00 side-by-side refrigerator parts
Top-Mount Refrigerator
Kenmore 970-42042B top-mount refrigerator parts
Washer
Kenmore 11020994992 washer partsSpeed Queen SWT220WN washer parts
Water Pump
Sears Water pump Replacement Parts